Journal of Porous Materials

, Volume 19, Issue 5, pp 745–749 | Cite as

Facile synthesis route to monodispersed platelet-like SBA-15 silica

  • Sheng-Zhen Zu
  • Li-Juan Mao
  • Abdelhamid Sayari
  • Bao-Hang Han


We here report a facile synthesis route to monodispersed platelet-like SBA-15 mesoporous silica employing kinetically controlled micelles as templates. In previous preparations of SBA-15 silica, it was believed that thermodynamically equilibrated micelles were used as templates. The kinetically controlled micelle has never been used before to generate periodic mesoporous materials with unique morphology. Monodispersed hexagonal platelet-like SBA-15 microparticles were prepared via a very facile synthesis route by tuning the micelle formation process, i.e. the stirring rate and the time of dissolution of the triblock copolymer and formation of the micelles. Shorter micelle formation time and faster stirring are essential to generate platelet-like SBA-15 silica particles. It is expected to apply in the synthesis of a wide variety of mesophase materials.


Mesoporous silica Morphology Micelles Platelet-like SBA-15 Block copolymer 



The financial support of the Ministry of Science and Technology of China (grant no. 2011CB932500) and the National Science Foundation of China (Grant no. 91023001) is acknowledged.

Supplementary material

10934_2011_9526_MOESM1_ESM.doc (3.7 mb)
Supplementary material 1 (DOC 3816 kb)


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.National Center for Nanoscience and TechnologyBeijingChina
  2. 2.Department of ChemistryUniversity of OttawaOttawaCanada

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